Gonzales, Texas climate: Normal weather by month, frost dates and records
Gonzales's normal year runs from 40°F January nights to 96°F August afternoons, with 35.9 inches of precipitation a year. (NOAA 1991-2020 normals)
In metric: a yearly mean of 20.4°C, January lows of 5°C, August highs of 35°C, 913 mm of precipitation a year.
- NOAA stationGonzales (2 mi S)
- Station IDUSC00413622
- Location29.47°N 97.45°W
- Elevation296 ft (90 m)
- Population7,238
On October 23, the normal high in Gonzales is 80°F and the normal low 57°F, and the chance of measurable rain or snow is 17%.
Normals describe a typical year at the station, not a forecast. The National Weather Service forecast for Gonzales.
- Jan 62° 40°
- Feb 66° 44°
- Mar 73° 51°
- Apr 79° 57°
- May 86° 66°
- Jun 92° 72°
- Jul 94° 74°
- Aug 96° 74°
- Sep 90° 69°
- Oct 82° 59°
- Nov 72° 49°
- Dec 64° 42°
Each month: normal high (large) and low, °F. Fill: the month's normal mean, colder blue to hotter red.
What is the weather like in Gonzales each month?
August is the warmest month, with normal highs of 96°F; January the coldest, with normal lows of 40°F. The most precipitation falls in May (4.68 in), the least in July (1.95 in).
| Month | High | Low | Mean | Precip. | Wet days | 90°F days | Freezing nights | Daylight |
|---|---|---|---|---|---|---|---|---|
| January | 62°F | 40°F | 51.1°F | 2.37 | 7 | <1 | 6 | 10 h 30 min |
| February | 66°F | 44°F | 54.8°F | 2.07 | 7 | <1 | 3 | 11 h 10 min |
| March | 73°F | 51°F | 61.7°F | 2.80 | 7 | <1 | 1 | 12 h |
| April | 79°F | 57°F | 68.3°F | 2.82 | 5 | 2 | <1 | 12 h 50 min |
| May | 86°F | 66°F | 75.8°F | 4.68 | 6 | 9 | <1 | 13 h 40 min |
| June | 92°F | 72°F | 81.9°F | 3.41 | 6 | 22 | <1 | 14 h |
| July | 94°F | 74°F | 84.2°F | 1.95 | 5 | 28 | <1 | 13 h 50 min |
| August | 96°F | 74°F | 84.7°F | 2.92 | 5 | 28 | <1 | 13 h 10 min |
| September | 90°F | 69°F | 79.4°F | 3.58 | 7 | 18 | <1 | 12 h 20 min |
| October | 82°F | 59°F | 70.6°F | 3.94 | 5 | 6 | <1 | 11 h 30 min |
| November | 72°F | 49°F | 60.4°F | 2.73 | 6 | <1 | 2 | 10 h 40 min |
| December | 64°F | 42°F | 52.8°F | 2.66 | 6 | <1 | 6 | 10 h 20 min |
| Year (annual) | 80°F | 58°F | 68.8°F | 35.93 | 71 | 113 | 19 |
The same normals in °C and millimetres
| Month | High | Low | Mean | Precip. |
|---|---|---|---|---|
| January | 17°C | 5°C | 10.6°C | 60 mm |
| February | 19°C | 7°C | 12.7°C | 53 mm |
| March | 23°C | 11°C | 16.5°C | 71 mm |
| April | 26°C | 14°C | 20.2°C | 72 mm |
| May | 30°C | 19°C | 24.3°C | 119 mm |
| June | 33°C | 22°C | 27.7°C | 87 mm |
| July | 35°C | 23°C | 29.0°C | 50 mm |
| August | 35°C | 23°C | 29.3°C | 74 mm |
| September | 32°C | 20°C | 26.3°C | 91 mm |
| October | 28°C | 15°C | 21.4°C | 100 mm |
| November | 22°C | 9°C | 15.8°C | 69 mm |
| December | 18°C | 5°C | 11.6°C | 68 mm |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00413622; annual normals. Wet days: 0.01 inch or more; 90°F days and freezing nights: NOAA's day counts. Daylight: sunrise to sunset on the 15th, computed from the latitude.
When is the best weather to visit Gonzales?
Normal highs sit between 65°F and 85°F in February, March, April, October and November. Of those, October has the fewest days with rain (5).
That is a measurement, not a recommendation: it counts the months whose normal afternoon high sits between 65°F and 85°F, where a light layer is enough by day.
Source: NOAA NCEI 1991-2020 monthly normals, station USC00413622.
When is the last frost in Gonzales?
In Gonzales, the last spring frost (32°F) comes after February 26 in half of years and after March 21 in one year in ten; the first autumn frost comes before November 28 in half of years and before November 7 in one year in ten.
Frost-free in half of yearsFrost in 1 to 9 years out of 10Frost most years
- Last spring frost, half of years after
- February 261 year in 10 after March 21; 9 in 10 after January 30
- First autumn frost, half of years before
- November 281 year in 10 before November 7; 9 in 10 before December 20
NOAA puts the median frost-free season at 272 days, and the season without a hard freeze (28°F) at 307 days.
A hard freeze (28°F) comes after February 6 in half of springs and before December 12 in half of autumns.
The USDA's 2023 Plant Hardiness Zone Map puts Gonzales in zone 9a in ZIP code 78629, the nearest ZIP area. By the map's own method, the average of each year's coldest night over 1991-2020, Gonzales's NOAA station is in zone 9a: the coldest night of a typical year reaches 23°F (19 complete years).
Frost dates for every NOAA station in Texas · Frost dates by ZIP code
Source: NOAA NCEI 1991-2020 annual normals (frost probabilities), station USC00413622; USDA 2023 Plant Hardiness Zone Map, ZIP listings: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed October 8, 2026; the station zone: ACIS daily lows, 1991-2020. A 10% date means one year in ten has a frost after it in spring or before it in autumn.
How hot and how cold does it get in Gonzales?
In a normal year in Gonzales, 113 days a year reach 90°F (14 of them 100°F or more), 19 nights fall to 32°F or colder and 71 days bring measurable precipitation.
- Days at 90°F or more
- 113a normal year
- Days at 100°F or more
- 14a normal year
- Nights at 32°F or colder
- 19a normal year
- Days that stay below freezing
- fewer than 1high of 32°F or less
- Days with 0.01 inch of precipitation
- 71a normal year
The highest temperature in this station's record (since 1965) is 111°F, on August 29, 2011; the lowest is 4°F, on December 24, 1989.
The wettest calendar year on that record is 1998, with 54.07 in; the snowiest season is 1948–49, with 3.7 inches.
Source: NOAA NCEI 1991-2020 annual normals, station USC00413622; records: ACIS (NOAA Regional Climate Centers), station USC00413622. Records use complete months only; a month missing more than three days is left out.
How sunny is Gonzales?
Over a year 79% of the sunlight that would reach the ground under clear skies gets through the clouds in the area around Gonzales, 4.8 kWh per square metre a day. August is the sunniest month (87%) and February the cloudiest (68%).
| Month | Share of clear-sky sunshine | Sunshine, kWh/m² a day |
|---|---|---|
| January | 72% | 3.0 |
| February | 68% | 3.5 |
| March | 71% | 4.5 |
| April | 74% | 5.3 |
| May | 78% | 5.9 |
| June | 84% | 6.7 |
| July | 86% | 6.6 |
| August | 87% | 6.3 |
| September | 81% | 5.2 |
| October | 82% | 4.4 |
| November | 76% | 3.3 |
| December | 71% | 2.7 |
Source: NASA POWER solar climatology, 2001-2020 (CERES SYN1deg). Satellite-based, for the 1-degree cell (about 100 km across) around the station, so it describes the area rather than the airport.
How much heating and cooling does Gonzales need?
A normal year in Gonzales brings 1,592 heating degree days, 70% fewer than the median U.S. place (5,373), and 3,009 cooling degree days, 3.3 times the median (908). Three months need 300 or more heating degree days, a monthly mean of about 55°F or colder. For gardens and crops, NOAA counts 7,170 growing degree days a year above 50°F.
| Month | Heating | Cooling |
|---|---|---|
| January | 440 | 10 |
| February | 304 | 18 |
| March | 165 | 64 |
| April | 47 | 146 |
| May | 5 | 340 |
| June | 0 | 509 |
| July | 0 | 594 |
| August | 0 | 611 |
| September | 1 | 432 |
| October | 42 | 214 |
| November | 195 | 58 |
| December | 393 | 15 |
| Year (annual) | 1,592 | 3,009 |
Source: NOAA NCEI 1991-2020 monthly normals, station USC00413622. A degree day is one degree of a day's mean temperature below 65°F (heating) or above it (cooling); utilities use them to estimate energy use.
Has Gonzales been warmer than normal lately?
2021 averaged 69.6°F, 0.8°F above the 1991-2020 normal of 68.8°F.
| Year | Mean | Against normal | Precip. |
|---|---|---|---|
| 2021 | 69.6°F | +0.8°F | 36.82 |
Over 32 complete years from 1970 to 2021, the station's annual mean temperature rose at a fitted 4.4°F per century (+0.24°C per decade). A fitted rate summarizes the whole record; single years swing well above and below it.
Source: observed years: ACIS, station USC00413622; trend: NOAA GHCN-Monthly v4. A year counts only with all twelve months complete.
How does Gonzales's climate compare?
Gonzales is warmer than 235 of the other 320 places with their own NOAA record in Texas, and wetter than 193. Across the 7,247 U.S. stations with normals, its annual mean of 68.8°F is warmer than 94%.
In the Köppen classification computed from these normals, Gonzales is Cfa: temperate, no dry season, hot summer. What the classes mean.
Places with the most similar year elsewhere
Measured month by month on the normal high, low and precipitation, among places of 20,000 or more people in other states:
Source: NOAA NCEI 1991-2020 normals for every station PlainClimate covers. Similarity: the root-mean-square difference of the 36 monthly figures, precipitation weighted so an inch counts like 6°F.
Questions about Gonzales's climate
What is the coldest month in Gonzales?
January, with a normal high of 62°F and a normal low of 40°F. The warmest is August (96°F by day, 74°F at night).
Does it snow in Gonzales?
Rarely: NOAA's normal is no measurable snow a year.
What is the rainiest month in Gonzales?
May, with 4.68 in of precipitation in a normal year; the driest is July with 1.95 in.
What plant hardiness zone is Gonzales in?
The USDA's 2023 map puts Gonzales in zone 9a in ZIP code 78629, the nearest ZIP area. By the same method at Gonzales's NOAA station, the coldest night of a typical year reaches 23°F (19 years, 1991-2020): zone 9a.
How late can frost come in Gonzales?
In half of years the last 32°F night comes after February 26; in one year in ten it comes after March 21. Waiting until March 21 leaves about a one-in-ten chance of a later frost.
Nearby and next
- Texas climateThe statewide normals and every place in the state
- Cheapside, TX12 miles from this station, 69.6°F a year
- Luling, TX19 miles from this station, 69.4°F a year
- Yoakum, TX22 miles from this station, 69.1°F a year
- Nixon, TX24 miles from this station, 68.8°F a year
- Compare two placesMonth by month, side by side
Download these normals (CSV) · JSON · How these figures are made